Roprachtice is a village in Semily District, in the Liberec Region, Czechia. Roprachtice lies at 578 m above sea level, at the foot of the Giant mountains. It has 296 inhabitants (2024). The nearest city is Jablonec nad Nisou, 19.7 km to the west. Near the border: Poland, 14 km. Among the landmarks around are Trosky Castle (19.9 km), Valdštejn Castle (20 km) and Kost Castle (27 km). Among the natural features are Przełęcz Szklarska (18.7 km) and Mumlava Waterfall (13.7 km).